The procedures can also be used to monitor the side effects of chemotherapy and determine whether the treatment is working. About the procedure. A bone marrow aspiration is a procedure that removes a sample of the liquid portion of bone marrow.A bone marrow biopsy removes a small, solid piece of bone marrow for examination. A common site for bone marrow aspiration and biopsy is the pelvic bone, which is located in the lower back by the hip.he procedures can also be used to monitor the side effects of chemotherapy and determine whether the treatment is working. About the procedure. A bone marrow aspiration is a procedure that removes a sample of the liquid portion of bone marrow.
A: Nigeria has a federal republic. It has executive, legislative and judicial branches of government. The National Assembly constitutes the legislative branch of government, the president exercises executive authority and the Supreme Court is the nation's highest court.
Nigeria is Africaâs most populous country and has one of the largest aggregation of ethnic groups in Africa. There are more than 300 Nigerian tribes and among the largest include Hausa-Fulani, Igbo, Yoruba, Ijaw, Kanuri, Annang, Tiv, Ibibio, Etsako, and Efik.here are more than 300 Nigerian tribes and among the largest include Hausa-Fulani, Igbo, Yoruba, Ijaw, Kanuri, Annang, Tiv, Ibibio, Etsako, and Efik.